FR2519191A1 - ACTIVE MATERIAL FOR LEAD-ACRYLIC ELECTRODES - Google Patents

ACTIVE MATERIAL FOR LEAD-ACRYLIC ELECTRODES Download PDF

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Publication number
FR2519191A1
FR2519191A1 FR8124214A FR8124214A FR2519191A1 FR 2519191 A1 FR2519191 A1 FR 2519191A1 FR 8124214 A FR8124214 A FR 8124214A FR 8124214 A FR8124214 A FR 8124214A FR 2519191 A1 FR2519191 A1 FR 2519191A1
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France
Prior art keywords
lead
electrodes
polymer
material according
fact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8124214A
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French (fr)
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FR2519191B1 (en
Inventor
Pierre Mirebeau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EUROP ACCUMULATEURS
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EUROP ACCUMULATEURS
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Priority to FR8124214A priority Critical patent/FR2519191A1/en
Priority to EP82111851A priority patent/EP0083059A1/en
Priority to JP57234950A priority patent/JPS58115764A/en
Priority to CA000418421A priority patent/CA1176702A/en
Publication of FR2519191A1 publication Critical patent/FR2519191A1/en
Application granted granted Critical
Publication of FR2519191B1 publication Critical patent/FR2519191B1/fr
Granted legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/56Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

MATIERE ACTIVE POUR ELECTRODES D'ACCUMULATEURS AU PLOMB. CETTE MATIERE COMPREND DU PLOMB, OU DE L'OXYDE DE PLOMB PBO, OU UN MELANGE DE PLOMB ET D'OXYDE DE PLOMB. ELLE COMPORTE EN VOLUME, DE 15 A 50 D'UNE MATIERE SYNTHETIQUE CONDUCTRICE CONSTITUEE PAR AU MOINS UN POLYMERE DOPE PAR DES IONS, LEDIT POLYMERE ETANT CHOISI DANS LE GROUPE FORME PAR LE POLYPYROL CHN, LE POLYPARAPHENYLENE CH ET LE POLYACETYLENE CH.ACTIVE MATERIAL FOR LEAD ACCUMULATOR ELECTRODES. THIS MATERIAL INCLUDES LEAD, OR LEAD OXIDE PBO, OR A MIXTURE OF LEAD AND LEAD OXIDE. IT CONTAINS IN VOLUME, FROM 15 TO 50 OF A CONDUCTIVE SYNTHETIC MATERIAL CONSTITUTED BY AT LEAST ONE POLYMER DOPED BY IONS, SUCH POLYMER BEING CHOSEN FROM THE GROUP FORMED BY POLYPYROL CHN, POLYPARAPHENYLENE CH AND POLYACETYLENE CH.

Description

Matière active pour électrodes d'accumulateurs au plombActive material for lead accumulator electrodes

L'invention concerne les matières actives pour électrodes d'accu-  The invention relates to active substances for charging electrodes

mulateurs au plomb, comportant du plomb, ou de ltoxyde de plomb Pb O 2, ou  lead emulators, containing lead, or lead oxide Pb O 2, or

un mélange de plomb et d'oxyde de plomb Pb Q 2.  a mixture of lead and lead oxide Pb Q 2.

Au cours de la décharge de ces accumulateurs, en présence d'acide  During the discharge of these accumulators, in the presence of acid

sulfurique agissant comme électrolyte, on constate au niveau des élec-  sulfuric acid acting as an electrolyte, we can observe at the level of

trodes la coexistence de deux phases solides: une première phase conductrice correspondant à l'espèce chargée Pb et/ou Pb O  trodes the coexistence of two solid phases: a first conductive phase corresponding to the charged species Pb and / or Pb O

une seconde phase isolante correspondant à l'espèce déchargée.  a second insulating phase corresponding to the discharged species.

Les proportions relatives de ces deux phases varient au cours de la décharge.  The relative proportions of these two phases vary during the discharge.

La résistance électrique du mélange espèce chargée-espèce déchar-  The electrical resistance of the mixture species charged-species discharges

gée varie donc au cours de la décharge et on constate que cette variation suit une loi du type loi de percolation, ce qui se traduit par un accroissement brutal de la résistance à partir d'un certain seuil Ce  Therefore, this variation follows a law of the percolation law type, which results in a sharp increase in the resistance from a certain threshold.

seuil est atteint lorsque le mélange des phases comporte en volume envi-  threshold is reached when the mixture of phases

ron 65 à 70 % de matière déchargée.  65 to 70% of material discharged.

L'utilisation de l'accumulateur n'étant plus possible lorsque ce seuil est atteint, on peut donc considérer que l'électrode comportait en  Since the use of the accumulator is no longer possible when this threshold is reached, it can therefore be considered that the electrode

volume, environ 30 % à 35 % de matière chargée inutile.  volume, about 30% to 35% of useless charged material.

Pour améliorer les performances massiques de ces électrodes, on a alors pensé à introduire dans celles-ci du graphite Toutefois, on a constaté que dans les électrodes positives le graphite se transformait en CO 2 qui se dégageait Pour les électrodes négatives, si l'on a bien constaté une certaine amélioration pour les premières décharges, on s'est aperçu qu'ensuite apparaissaient des problèmes de contrainte entre  To improve the mass performance of these electrodes, it was then thought to introduce in them graphite. However, it was found that in the positive electrodes the graphite was transformed into CO 2 which was released for the negative electrodes, if one Although there was some improvement in the first discharges, it became apparent that later there were problems of

le graphite et le plomb, qui étaient préjudiciables au bon fonctionne-  graphite and lead, which were detrimental to the proper functioning

ment des accumulateurs.accumulators.

L'invention permet de remédier à ces inconvénients et d'obtenir  The invention makes it possible to remedy these drawbacks and to obtain

des électrodes présentant des performances massiques améliorées, suscep-  electrodes with improved mass performance, likely to

tibles de subir des nombreux cycles charge-décharge sans détérioration.  tible to undergo numerous charge-discharge cycles without deterioration.

Elle a pour objet une matière active pour électrode d'accumula-  It relates to an active substance for accumulator electrode

teurs au plomb, comprenant du plomb, ou de l'oxyde de plomb Pb O 2, ou un mélange de plomb et d'oxyde de plomb Pb O 2, caractérisée par le fait -2 qu'elle comporte, en volume, de 15 à 50 % d'une matière synthétique conductrice constituée par au moins un polymère dopé par des ions, ledit polymère étant choisi dans le groupe formé par le polypyrol (C 4 H 3 N), le  lead-acid batteries, comprising lead, or lead oxide Pb O 2, or a mixture of lead and lead oxide Pb O 2, characterized in that it comprises, by volume, 15 at 50% of a conductive synthetic material constituted by at least one polymer doped with ions, said polymer being chosen from the group formed by polypyrol (C 4 H 3 N),

polyparaphénylène (C 6 H 4)n et le polyacétylène (CH)n.  polyparaphenylene (C 6 H 4) n and polyacetylene (CH) n.

Le polymère dopé peut être représenté par les formules: l(C 4 H 3 N)Y, y A n lCH 4, y A n l(CH)y, y Al n A étant l'ion dopant  The doped polymer may be represented by the formulas: ## STR1 ## wherein A is the doping ion

y, compris entre O et 1, représentant la fraction de A par monomère.  y, between 0 and 1, representing the fraction of A per monomer.

Avantageusement, y est compris entre 0,02 et 0,35.  Advantageously, y is between 0.02 and 0.35.

Selon une caractéristique de l'invention, les ions dopant sont donneurs d'électrons et sont choisis dans le groupe formé par C 104,  According to one characteristic of the invention, the doping ions are electron donors and are chosen from the group formed by C 104,

Fe C 13, A Fs, SO 4, et H 504.Fe C 13, A Fs, SO 4, and H 504.

Selon un mode d'exécution, ladite matière synthétique est sous forme de poudre dont les grains présentent un diamètre compris entre 1 et  According to one embodiment, said synthetic material is in the form of a powder whose grains have a diameter of between 1 and

microns.microns.

Selon un autre mode d'exécution ladite matière synthétique est sous forme de fibres présentant un diamètre compris entre 1 et 15 microns. En fait, l'invention revient à remplacer dans les électrodes selon l'art antérieur la partie de la matière chargée, qui ne réagissait pas,  According to another embodiment, said synthetic material is in the form of fibers having a diameter of between 1 and 15 microns. In fact, the invention amounts to replacing in the electrodes according to the prior art the part of the charged material, which did not react,

par un matériau inactif vis-à-vis de l'air et de l'électrolyte, présen-  by a material which is inactive with respect to air and electrolyte,

tant une densité inférieure à celle de ladite matière chargée et une  a density lower than that of said charged material and a

conductivité électrique de même ordre.  electrical conductivity of the same order.

Ces conditions sont réunies avec le polypyrol et le polyparaphény-  These conditions are met with polypyrol and polyparaphenyl

-1 -1-1 -1

lène dont les conductivités se situent vers 80 ohm cm, ainsi que  lene whose conductivities are around 80 ohm cm, as well as

par le polyacétylène.by polyacetylene.

L'invention a bien entendu également pour objet les accumulateurs  The invention of course also relates to accumulators

dont les électrodes comportent de telles matières actives.  whose electrodes include such active materials.

-3 - La figure annexée représente la variation du rapport R de la conductivité en décharge sur la conductivité initiale en fonction de la variation du pourcentage P de matériau isolant apparaissant dans une  The appended figure shows the variation of the ratio R of the discharge conductivity on the initial conductivity as a function of the variation of the percentage P of insulating material appearing in a

électrode d'accumulateur au plomb au cours de la décharge.  Lead-acid battery electrode during discharge.

Le rapport R a été porté en ordonnée et le pourcentage P en abscisse On s'aperçoit que lorsque ce pourcentage est voisin de 70 % le  The ratio R has been plotted on the ordinate and the percentage P on the abscissa. It can be seen that when this percentage is close to 70% the

rapport, qui était à l'origine de 1, tend brutalement vers 0.  ratio, which was at the origin of 1, tends brutally to 0.

On a réalisé des électrodes témoins comportant des pâtes classi-  Control electrodes having conventional pasta were made.

ques ainsi que des électrodes conformes à l'invention et on a mesuré les  as well as electrodes according to the invention and the

pourcentages d'utilisation de la matière active en décharge.  percentages of use of the active ingredient in landfill.

Les électrodes témoins ont été obtenues à partir des compositions suivantes: positive H 2 SQ 4 (d: 1,40) 66 cc H 20 120 cc Pb O 1 kg négative H 2 SO (d: 1,40) 66 cc 2 4 H 20 120 ce Pb O 1 kg Ba SO 4 0,6 g vanisperce 1,5 g poudre de chène 2 g noir de fumée 1,5 g  The control electrodes were obtained from the following compositions: positive H 2 SQ 4 (d: 1.40) 66 cc H 120 120 cc Pb O 1 kg negative H 2 SO (d: 1.40) 66 cc 2 4 H 20 120 this Pb O 1 kg Ba SO 4 0.6 g vanisperce 1.5 g oak powder 2 g blacksmoke 1.5 g

Les électrodes conformes à l'invention ont été obtenues en intro-  The electrodes according to the invention were obtained by introducing

duisant dans ces mélanges, environ 50 % en volume, de polypyrol en poudre dopé par des perchlorates et représenté par la formule l(c 4 H 3 N)+ 0, 33y 0,33 (C 104) l 1 présentant une conductivité de l'ordre de 80-L cm a  in these blends, about 50% by volume, of perchlorate-doped polypyrol powder and represented by the formula I (c 4 H 3 N) + 0.33 0.33 (C 104) 11 having a conductivity of order of 80-L cm a

Pour les électrodes témoins, on a obtenu un pourcentage d'utili-  For the control electrodes, a percentage of use was

sation de la matière active, d'environ 60 %, ce qui pour des électrodes négatives et positives comportant respectivement 3 g de plomb ou de Pb O 2  of the active ingredient, about 60%, which for negative and positive electrodes with 3 g lead or Pb O 2 respectively

se traduit par des capacités respectives de 0,47 Ah et 0,40 Ah.  translates into respective capacities of 0.47 Ah and 0.40 Ah.

Pour les électrodes conformes à l'invention, le pourcentage d'uti-  For the electrodes according to the invention, the percentage of use

lisation de la matière active était de 85 % et les capacités respectives  the active ingredient was 85% and the respective

2 5191912 519191

4 -4 -

des électrodes négatives et positives de 0,33 Ah et 0,28 Ah.  Negative and positive electrodes of 0.33 Ah and 0.28 Ah.

Bien entendu l'invention n'est nullement limitée au mode de réali-  Naturally, the invention is in no way limited to the embodiment of

sation décrit ci-dessus.described above.

--

Claims (7)

REVENDICATIONS 1/ Matière active pour électrodesd'accumulateurs au plomb, comprenant du plomb, ou de l'oxyde de plomb Pb O 2, ou un mélange de plomb d'oxyde de plomb Pb O 2, caractérisée par le fait qu'elle comporte, en volume, de 15 à 50 % d'une matière synthétique conductrice constituée par au moins un polymère dopé par des ions, ledit polymère étant choisi dans le groupe  1 / active material for electrodes of lead accumulators, comprising lead, or lead oxide Pb O 2, or a lead oxide mixture of lead Pb O 2, characterized in that it comprises, volume, from 15 to 50% of a conductive synthetic material constituted by at least one polymer doped with ions, said polymer being chosen from the group formé par le polypyrol (C 4 H 3 N)n, le polyparaphénylène (C 6 H 4)n et le po-  formed by polypyrol (C 4 H 3 N) n, polyparaphenylene (C 6 H 4) n and the lyacétylène (CH)n.lyacetylene (CH) n. 2/ Matière selon la revendication 1, caractérisée par le fait que le polymère dopé est représenté par les formules: (C 4 H 3 N)Y, y A n lC 6 H 4)y,y A n  2 / material according to claim 1, characterized in that the doped polymer is represented by the formulas: (C 4 H 3 N) Y, y A n C 1 H 4) y, y A n 11 CH)y y A A n A étant l'ion dopant,Where A is the doping ion, y, compris entre 0 et 1, représentant la fraction de A par monomère.  y, between 0 and 1, representing the fraction of A per monomer. 3/ Matière selon la revendication 2, caractérisée par le fait que y est  3 / material according to claim 2, characterized in that y is compris entre 0,02 et 0,35.between 0.02 and 0.35. 4/ Matière selon l'une des revendications 1 à 3, caractérisée par le fait  4 / material according to one of claims 1 to 3, characterized by the fact que les ions dopant sont donneurs d'électrons et sont choisis dans le  that the doping ions are electron donors and are chosen in the groupe formé par C 104-, Fe C 13-, As F 5-, SO 4, et HSO 4-.  group formed by C 104-, Fe C 13-, As F 5-, SO 4, and HSO 4-. 5/ Matière selon l'une des revendications 1 à 4, caractérisée par le fait  5 / material according to one of claims 1 to 4, characterized by the fact que ladite matière synthétique est sous forme de poudre dont les grains  that said synthetic material is in the form of a powder whose grains présentent un diamètre compris entre 1 et 15 microns.  have a diameter of between 1 and 15 microns. 6/ Matière selon l'une des revendications 1 à 4, caractérisée par le fait  6 / Material according to one of claims 1 to 4, characterized by the fact que ladite matière synthétique est sous forme de fibres presentant un  that said synthetic material is in the form of fibers having a diamètre compris entre 1 et 15 microns.  diameter between 1 and 15 microns. 7/ Accumulateur au plomb dont les électrodes comportent la matière acti-  7 / Lead accumulator whose electrodes contain the active substance ve selon l'une des revendications 1 à 6.  according to one of claims 1 to 6.
FR8124214A 1981-12-24 1981-12-24 ACTIVE MATERIAL FOR LEAD-ACRYLIC ELECTRODES Granted FR2519191A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8124214A FR2519191A1 (en) 1981-12-24 1981-12-24 ACTIVE MATERIAL FOR LEAD-ACRYLIC ELECTRODES
EP82111851A EP0083059A1 (en) 1981-12-24 1982-12-21 Active material for lead accumulator electrodes
JP57234950A JPS58115764A (en) 1981-12-24 1982-12-23 Electrode active substance for lead storage battery
CA000418421A CA1176702A (en) 1981-12-24 1982-12-23 Active matter for lead-acid batteries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8124214A FR2519191A1 (en) 1981-12-24 1981-12-24 ACTIVE MATERIAL FOR LEAD-ACRYLIC ELECTRODES

Publications (2)

Publication Number Publication Date
FR2519191A1 true FR2519191A1 (en) 1983-07-01
FR2519191B1 FR2519191B1 (en) 1984-04-06

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Family Applications (1)

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FR8124214A Granted FR2519191A1 (en) 1981-12-24 1981-12-24 ACTIVE MATERIAL FOR LEAD-ACRYLIC ELECTRODES

Country Status (4)

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EP (1) EP0083059A1 (en)
JP (1) JPS58115764A (en)
CA (1) CA1176702A (en)
FR (1) FR2519191A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2748982C1 (en) * 2020-11-16 2021-06-02 Борис Зиновьевич Лубенцов Electrolyte for improving the electrical characteristics of lead-acid batteries (lab), the application of semidine to improve the electrical characteristics of lab, the method for manufacturing lab electrodes and the method for repairing lab

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3223544A1 (en) * 1982-06-24 1983-12-29 Basf Ag, 6700 Ludwigshafen PYRROL COPOLYMERS, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE
FR2553581A1 (en) * 1983-10-12 1985-04-19 Europ Accumulateurs Active material for electrodes of lead storage batteries.
FI74715C (en) * 1985-07-24 1988-03-10 Neste Oy ELEVATED POLYTIOFEN OCH FOERFARANDE FOER DESS FRAMSTAELLNING OCH ANVAENDNING.
GB8600894D0 (en) * 1986-01-15 1986-02-19 Atomic Energy Authority Uk Electrochemical cells
US5027161A (en) * 1987-09-17 1991-06-25 Canon Kabushiki Kaisha Image forming apparatus
DE102013225570A1 (en) * 2013-12-11 2015-06-11 Robert Bosch Gmbh Binder materials for anode and cathode materials of lithium cells

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514415A (en) * 1946-02-27 1950-07-11 Carl H Rasch Storage battery paste with ion exchange expander
FR1063719A (en) * 1951-09-27 1954-05-05 Bosch Gmbh Robert Electric system with variable ionic concentration, in particular accumulator battery
FR94536E (en) * 1967-02-20 1969-08-29 Centre Nat Rech Scient Electrodes based on organic semiconductors and electrochemical generators using such electrodes.
US4222903A (en) * 1978-05-04 1980-09-16 University Patents, Inc. P-Type electrically conducting doped polyacetylene film and method of preparing same
EP0036118A2 (en) * 1980-03-11 1981-09-23 University Patents, Inc. Secondary batteries based on reversible electrochemical doping of conjugated polymers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652868A (en) * 1979-10-05 1981-05-12 Citizen Watch Co Ltd Solid-electrolyte battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514415A (en) * 1946-02-27 1950-07-11 Carl H Rasch Storage battery paste with ion exchange expander
FR1063719A (en) * 1951-09-27 1954-05-05 Bosch Gmbh Robert Electric system with variable ionic concentration, in particular accumulator battery
FR94536E (en) * 1967-02-20 1969-08-29 Centre Nat Rech Scient Electrodes based on organic semiconductors and electrochemical generators using such electrodes.
US4222903A (en) * 1978-05-04 1980-09-16 University Patents, Inc. P-Type electrically conducting doped polyacetylene film and method of preparing same
EP0036118A2 (en) * 1980-03-11 1981-09-23 University Patents, Inc. Secondary batteries based on reversible electrochemical doping of conjugated polymers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2748982C1 (en) * 2020-11-16 2021-06-02 Борис Зиновьевич Лубенцов Electrolyte for improving the electrical characteristics of lead-acid batteries (lab), the application of semidine to improve the electrical characteristics of lab, the method for manufacturing lab electrodes and the method for repairing lab

Also Published As

Publication number Publication date
EP0083059A1 (en) 1983-07-06
FR2519191B1 (en) 1984-04-06
CA1176702A (en) 1984-10-23
JPS58115764A (en) 1983-07-09

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